S
M
T
W
T
F
S
26
38°
32°
27
46°
26°
28
58°
25°
29
63°
28°
30
64°
33°
1
67°
37°
2
66°
36°
3
61°
45°
4
48°
35°
5
47°
35°
6
62°
32°
7
72°
37°
8
74°
39°
9
75°
39°
10
78°
41°
11
77°
42°
12
78°
45°
13
67°
43°
14
72°
39°
15
74°
44°
16
66°
41°
17
66°
42°
18
57°
36°
19
64°
30°
20
70°
34°
21
70°
37°
22
71°
35°
23
72°
40°
24
71°
41°
25
71°
42°
26
69°
40°
27
71°
42°
28
67°
41°
29
68°
40°
30
71°
40°
31
72°
41°
1
71°
40°
2
75°
44°
3
75°
43°
4
74°
45°
5
75°
45°
6
75°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Big Bear
Big Bear's May 2026 forecast shows daily high temperatures ranging from 64° to 75°, with overnight lows between 30° and 45°. The average high for May is 71° with an average low of 40°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Big Bear. See also: June | July | August.
